Given the Three-Step Ostwald Process for Manufacturing Nitric Acid,HNO₃: 4

Multiple Choice

Given the three-step Ostwald process for manufacturing nitric acid,HNO₃: 4 NH₃(g) + 5 O₂(g) → 4 NO(g) + 6 H₂O(g)
2 NO(g) + O₂(g) → 2 NO₂(g)
3 NO₂(g) + H₂O(l) → 2 HNO₃(aq) + NO(g)
What mass of ammonia is required to produce 75.0 g of HNO₃?

A) 13.5 g
B) 15.2 g
C) 20.2 g
D) 27.0 g
E) 30.4 g